BMW CAS4 CAN-filter is a special module allows to adjust mileage readings in BMW F01, F07, F10 and X3 2011-2012 (with motorola processor 9S12 XEP mask 5M48H / 4M48H – SC 66 7095 CAG).
This is tips of BMW CAS4 CAN-filter V5 Connection Diagram.
BMW filter V5 pinout

CAS connection diagram

F3x IKE

F3x with MOST

F15 instrument panel

F15 filter wire connection

Brown— can out H
Green— can out L
Yellow— can in H
Blue— can in L
Red— 12V
Black— Ground
NOTE: CANBUS Inductance needs to be removed;
INS (instrument) chip needs to be dealt with first.
F15 instrument panel filter

F18 instrument panel wire connection

F35 IKE

F56

FEM connection diagram


Note:
The newest BMW CAS4 CAN-filter V5:

Supported by UOBD2